BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 94 53.1%
2 United States 35 19.8%
3 Hong Kong 14 7.9%
4 Germany 9 5.1%
5 Portugal 6 3.4%
6 Japan 5 2.8%
7 4 2.3%
8 Senegal 3 1.7%
9 United Kingdom 2 1.1%
10 Sweden 1 0.6%
11 Taiwan 1 0.6%
12 Australia 1 0.6%
13 Czech Republic 1 0.6%
14 Russia 1 0.6%